1644484880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{437363}}^1$

素因数の和:437423

約数の個数: 40

約数和(自身を含む): 3904785792

約数和(自身を除く): 2260300912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 437363, 874726, 1749452, 2186815, 3498904, 4373630, 6997808, 8747260, 17494520, 20556061, 34989040, 41112122, 82224244, 102780305, 164448488, 205560610, 328896976, 411121220, 822242440, 1644484880]

約数ペア:

[(1, 1644484880), (2, 822242440), (4, 411121220), (5, 328896976), (8, 205560610), (10, 164448488), (16, 102780305), (20, 82224244), (40, 41112122), (47, 34989040), (80, 20556061), (94, 17494520), (188, 8747260), (235, 6997808), (376, 4373630), (470, 3498904), (752, 2186815), (940, 1749452), (1880, 874726), (3760, 437363)]